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A) Find the change in momentum of a 1380 kg car that increases its speed from 6.0 m/s to 16.0 m/s in a time of 16 s while traveling in the same direction? Express your answer to two significant figures and include the appropriate units.
B) What minimum force, applied in the direction of motion, is needed to do this? Express your answer to two significant figures and include the appropriate units.
An inductor has a cross-sectional area of .03m2 and a length of 4 cm. When the current running through it changes from 6A to 10 A in .2 s
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A 0.500m -diameter vat of liquid is 2.20m deep. The pressure at the bottom of the vat is 1.30atm. What is the mass of the liquid in the vat
An electron starts from rest 54.9cm from a fixed point charge with Q = -0.278uC. How fast will the electron be moving when it is very far away
A uranium and iron atom reside a distance R = 51.10 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized, What is the magnitude of the force on the electron from the uranium ion
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A 6.30 kg block is pushed 9.45 m up a smooth 40 degree inclined plane by a horizontal force of 70 degrees north. Calculate the final kinetic energy of the block
find the speed of the test charge. find the distance the car travels during this time in m.
A hydrulic jack in a mechanic's shop supports a car of mass M= 2.1 x 10^3 kg. What force must the pump exert on the fluid at the input to support the weight of the car
A skier starts from rest at the top of a 48 m hill, skis down a 32° incline into a valley, and continues up a 28 m high hill. How fast is the skier moving at the bottom of the valley
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